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comparison gcc/testsuite/c-c++-common/goacc/kernels-loop-data-update.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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111:04ced10e8804 131:84e7813d76e9
1 /* { dg-additional-options "-O2" } */
2 /* { dg-additional-options "-fdump-tree-parloops1-all" } */
3 /* { dg-additional-options "-fdump-tree-optimized" } */
4
5 #include <stdlib.h>
6
7 #define N (1024 * 512)
8 #define COUNTERTYPE unsigned int
9
10 int
11 main (void)
12 {
13 unsigned int *__restrict a;
14 unsigned int *__restrict b;
15 unsigned int *__restrict c;
16
17 a = (unsigned int *)malloc (N * sizeof (unsigned int));
18 b = (unsigned int *)malloc (N * sizeof (unsigned int));
19 c = (unsigned int *)malloc (N * sizeof (unsigned int));
20
21 #pragma acc enter data create (a[0:N], b[0:N], c[0:N])
22
23 #pragma acc kernels present (a[0:N])
24 {
25 for (COUNTERTYPE i = 0; i < N; i++)
26 a[i] = i * 2;
27 }
28
29 {
30 for (COUNTERTYPE i = 0; i < N; i++)
31 b[i] = i * 4;
32 }
33
34 #pragma acc update device (b[0:N])
35
36 #pragma acc kernels present (a[0:N], b[0:N], c[0:N])
37 {
38 for (COUNTERTYPE ii = 0; ii < N; ii++)
39 c[ii] = a[ii] + b[ii];
40 }
41
42 #pragma acc exit data copyout (a[0:N], c[0:N])
43
44 for (COUNTERTYPE i = 0; i < N; i++)
45 if (c[i] != a[i] + b[i])
46 abort ();
47
48 free (a);
49 free (b);
50 free (c);
51
52 return 0;
53 }
54
55 /* Check that only two loops are analyzed, and that both can be
56 parallelized. */
57 /* { dg-final { scan-tree-dump-times "SUCCESS: may be parallelized" 2 "parloops1" } } */
58 /* { dg-final { scan-tree-dump-times "(?n)__attribute__\\(\\(oacc kernels parallelized, oacc function \\(, , \\), oacc kernels, omp target entrypoint\\)\\)" 2 "parloops1" } } */
59 /* { dg-final { scan-tree-dump-not "FAILED:" "parloops1" } } */
60
61 /* Check that the loop has been split off into a function. */
62 /* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.0" 1 "optimized" } } */
63 /* { dg-final { scan-tree-dump-times "(?n);; Function .*main._omp_fn.1" 1 "optimized" } } */